Theory of Machine Elements of pairs held together mechanically is known as Mechanical pair Open pair Rolling pair Closed pair Mechanical pair Open pair Rolling pair Closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 5,367 r.p.m. 9,360 r.p.m. 6,000 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 6,000 r.p.m. 12,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = (ω₁ + ω₂)/2] I.ω.(ω₁ - ω₂) All of these 2.E.CS I.ω².CS I.ω.(ω₁ - ω₂) All of these 2.E.CS I.ω².CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as Hammer blow None of these Tractive force Swaying couple Hammer blow None of these Tractive force Swaying couple ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to Two lower pairs and two additional links Any one of these One lower pair and two additional links Two lower pairs and one additional link Two lower pairs and two additional links Any one of these One lower pair and two additional links Two lower pairs and one additional link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The component of the acceleration, parallel to the velocity of the particle, at the given instant is called Radial component Tangential component None of these Coriolis component Radial component Tangential component None of these Coriolis component ANSWER DOWNLOAD EXAMIANS APP